includes/omapip/alloc.h

   1 /* alloc.h
   2
   3    Definitions for the object management API protocol memory allocation... */
   4
   5 /*
   6  * Copyright (c) 1996-1999 Internet Software Consortium.
   7  * Use is subject to license terms which appear in the file named
   8  * ISC-LICENSE that should have accompanied this file when you
   9  * received it.   If a file named ISC-LICENSE did not accompany this
  10  * file, or you are not sure the one you have is correct, you may
  11  * obtain an applicable copy of the license at:
  12  *
  13  *             http://www.isc.org/isc-license-1.0.html.
  14  *
  15  * This file is part of the ISC DHCP distribution.   The documentation
  16  * associated with this file is listed in the file DOCUMENTATION,
  17  * included in the top-level directory of this release.
  18  *
  19  * Support and other services are available for ISC products - see
  20  * http://www.isc.org for more information.
  21  */
  22
  23 isc_result_t omapi_buffer_new (omapi_buffer_t **, const char *, int);
  24 isc_result_t omapi_buffer_reference (omapi_buffer_t **,
  25                                      omapi_buffer_t *, const char *, int);
  26 isc_result_t omapi_buffer_dereference (omapi_buffer_t **, const char *, int);
  27
  28 #if defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL)
  29 #define DMDOFFSET (sizeof (struct dmalloc_preamble))
  30 #define DMLFSIZE 16
  31 #define DMUFSIZE 16
  32 #define DMDSIZE (DMDOFFSET + DMLFSIZE + DMUFSIZE)
  33
  34 struct dmalloc_preamble {
  35         struct dmalloc_preamble *prev, *next;
  36         const char *file;
  37         int line;
  38         size_t size;
  39         unsigned long generation;
  40         unsigned char low_fence [DMLFSIZE];
  41 };
  42 #else
  43 #define DMDOFFSET 0
  44 #define DMDSIZE 0
  45 #endif
  46
  47 #if defined (DEBUG_RC_HISTORY)
  48 #if !defined (RC_HISTORY_MAX)
  49 # define RC_HISTORY_MAX 256
  50 #endif
  51
  52 struct rc_history_entry {
  53         const char *file;
  54         int line;
  55         void *reference;
  56         void *addr;
  57         int refcnt;
  58 };
  59
  60 #define rc_register(x, l, r, y, z) do { \
  61         rc_history [rc_history_index].file = (x); \
  62         rc_history [rc_history_index].line = (l); \
  63         rc_history [rc_history_index].reference = (r); \
  64         rc_history [rc_history_index].addr = (y); \
  65         rc_history [rc_history_index].refcnt = (z); \
  66         if (++rc_history_index == RC_HISTORY_MAX) \
  67                 rc_history_index = 0;\
  68         } while (0)
  69 #define rc_register_mdl(r, y, z) \
  70         rc_register (__FILE__, __LINE__, r, y, z)
  71 #else
  72 #define rc_register(file, line, reference, addr, refcnt)
  73 #define rc_register_mdl(reference, addr, refcnt)
  74 #endif
  75
  76 #if defined (DEBUG_MEMORY_LEAKAGE) || defined (DEBUG_MALLOC_POOL)
  77 extern struct dmalloc_preamble *dmalloc_list;
  78 extern unsigned long dmalloc_outstanding;
  79 extern unsigned long dmalloc_longterm;
  80 extern unsigned long dmalloc_generation;
  81 extern unsigned long dmalloc_cutoff_generation;
  82 #endif
  83
  84 #if defined (DEBUG_RC_HISTORY)
  85 extern struct rc_history_entry rc_history [RC_HISTORY_MAX];
  86 extern int rc_history_index;
  87 #endif